It's not stealth by its nature, and that may mean that you won't use it portably, but that doesn't mean it's not portable. We actually have quite a number of tools in the database whose main purpose is to modify the registry to adjust some of the core features of Windows:

The changes made by these programs persist after they're terminated (unlike 7Plus, which I see that you suggested, and which tweaks Explorer only while it's running); however, the settings of the programs themselves are portable.

guinness wrote:OK, voted & I was about to add it I also tidied up the entry a little.

Thanks guinness

BTW, I just noticed: Category: says: "Files - Comparison (5)", but if you klick this link you get only (4) results: TableTextCompare, Directory Compare, HashCompare and FileCompare
Maybe it's counting something, which still is in "Private"